Pouring nozzle



Nov. 29, 1932. H. E. BARROLL POURING NOZZLE Filed Jan. 5l, 1929 Invent/0r Hag rroZZ y jztfwvzgy,

Patented Nov. 29, 1932 Unirse s'rA'rEs PATENT-v' oFFlcE HENRY E. BARROLL, OF CHICAGO, ILLINOIS, ASSIGNOR 'IO HENRY BARROLL CO., INC., OF CHICAGO, ILLINOIS, A CORPORATION OF NEW YORK POURING NOZZLE p Application filed January 31, 1929. Serial No. 336,492.

My invention relates to means for sealing pouring containers or pouring nozzles and has for one particular purpose to provide a means of and` method for inserting within the pouring nozzle a seal which is enclosed within or covered by the normal removable closure for the pouringfnozzle. Another object is to provide such a seal which shall be relatively easily removable, but the removal of which shall be clearly apparent to a subsequent user, the seal being difficult or impossible to replace once itV has been removed. Other objects will appear from time to time in the course of the specification and claims.

I illustrate my invention more or less diagra-mmatically in the accompanying drawing. wherein:

Figure l is a more or less diagrammatic o vertical section through a nozzle about to be sealed, illustrating the tool and the sealing member;

Figure 2 is a similar section illustrating the tool at or near the termination of its downward sealing movement;

Figure 3 is a similar section illustrating the seal in final position and the normal closure cap in position on thenozzle;

Figure 4 is a similar section illustrating the removal of the cap;

Figure 5 is a similar section through a variant form of nozzle illustrating the cap in initial position; and

Figure 6 illustrates the structure of Figure 5 after the cap has been expanded into final position.

Like parts are indicated by like symbols throughout the specilication and drawing.

Referring first to the method and device illustrated in Figures l to 4s inclusive A generally indicates anv suitable container, for example a can, to which has been secured the pouring nozzle A1 with yits cap engaging upper flange A2 adapted to receive the cap shown as A3 in Figure 3. Note that in the Jform herein shown the cross-section of the passage or nozzle A1 decreases progressively towards the bottom ot the nozzle. In normal practice there will be a slight ledge as at A1 in Figure 1.

The sealing member generally indicated as Bl includes a central portion B1 surrounded by the channel B2 with the circumferential upwardly bent-portion or ange B3, the lat'- ter being adapted to engage the inner wall of the nozzle passage A1. fr

In seating the seal 'in place I may employ any suitable tool, for example the one` generally indicated as C in Figures l and 2 which has a central depression C1 adapted to. receive the portion B1 ofthe seal, and the circumferential flange C2 adapted to penetrate the channel B2 of the seal.V Whenl the tool is thrust `into the lo-wer position, as showniny Figure 2, it carries the sealing member B downwardly through thenozzle B1 and the circumferential'iiange B3 is bent into the position in which it is shown in Figures 2 and 3.V The result, the stock being thin and iiexible, is a firmsealing or locking engagement between the flangeB3 andthe nozzle wall A1 which continues after the tool is withdrawn. The downward movement of A the tool may be limited by any suitable means not herein shown. Where a hand tool is employed the projection A4 may serve to limit or helpto limit the downward movement of the tool and engagement `with it will serve as an indication to the operator that the tool has reached the proper lower position. 80

llVhen the tool has been withdrawn the container and its contents are sealed and the usual closure cap A3 may be screwed into place ,or otherwise suitably secured to the head member or flange A2.

When the user wishes tov remove the seal he unscrews and removes the cap A3 and then inserts some tool for example a screwdriver down through the nozzle A1 into the channel B2. In Figure 4 a practical initial 90 position of the tool is indicated in dotted line. The operator then tilts the tool to the full line position andthe result is such a deformation of the seal as will cause it to flip out or will permit it to be readily removed. In practically all cases the seal may be removed upon contact with the screwdriver end and the can is then usable in the usual fashion. Once the sealing has been deformed the individual seal may be thrust back into position, but it 1s sufficiently thin to record any contact of any force and subsequent users Will immediately see that the can has been tampered With. Y

Referring to the method and seal of Figures 5 and 6, I may employ a can in which the nozzle portion D has an upwardly turned flange D1 at the bottom. The nozzle thus formed may of course be soldered to the top of the container A as at D2 and if necessary the periphery of the aperture into which it is soldered may be channeled as at D3. In any case the seal member E, generally identical With the seal member B above described, is thrust into position or dropped into position, but with the central portion l"1 down and the channel E2 down the flanges or edges E3 penetrating' the channel formed between the Wall D and the flange D1.

This initial position of the seal is illustrated in Figure 5. Any suitable means, for example a tool, with expansion rollers, may be employed to expand or compress the parts together, to the position shown in Figure 6. The result is a seal Which has to be punched out or thrust into the interior of the can. Where such punching out leaves a ragged edge, this edge is substantially enclosed by the nozzle D and the user is not likely to be damaged by sharp metal edges.

I claim:

I. The combination with a dispensing container having a. nozzle and ay closure cap for said nozzle, of a sealing member adapted to be inserted within said nozzle, to a level beneath the closure cap, said sealing member including a central portion having a channel about the edge thereof. said channel being bounded on its outer side by a peripheral flange or Wall inclined in relation to the central portion of the sealing member.

2. The combination With a dispensing container having a nozzle and a closure cap Jfor said nozzle, of ay sealing member adapted to be inserted Within said nozzle to a level beneath the closure cap, said sealing member including av central portion having a channel about the edge thereof, said channel being bounded on its outer side by a peripheral Hange or Wall adapted for frictional englagement With the inner wall of the nozz e.

Signed at Chicago, county of Cook and State of Illinois, this 23rd day of January,

HENRY E. BARROLL. 

